CN106553134A - A kind of grinding wheel and preparation method thereof - Google Patents
A kind of grinding wheel and preparation method thereof Download PDFInfo
- Publication number
- CN106553134A CN106553134A CN201611097276.1A CN201611097276A CN106553134A CN 106553134 A CN106553134 A CN 106553134A CN 201611097276 A CN201611097276 A CN 201611097276A CN 106553134 A CN106553134 A CN 106553134A
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- CN
- China
- Prior art keywords
- abrasive material
- grinding wheel
- ball milling
- wheel according
- powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/009—Tools not otherwise provided for
Abstract
The present invention discloses a kind of new emery wheel prepared by complex abrasion-proof abrasive material and preparation method thereof, it is prepared from through special process by the wearing layer complex abrasion-proof abrasive material, specific preparation method includes, after weighing the mixing of abrasive material raw material according to a certain percentage respectively, carry out mixing and ball milling, cool down after sintering in being filled with graphite jig, graphite jig of the mould for positive tetrahedron, and the size of the black mould can be established as plurality of specifications as needed, through emery wheel product prepared by the method for the invention, its processing technology is simple, abrasive material intensity is high, have wide practical use.
Description
Technical field
The invention belongs to abrasive techniques field, and in particular to emery wheel and its preparation side prepared by a kind of complex abrasion-proof abrasive material
Method.
Background technology
Abrasive material is to manufacture the essential material of each sophisticated product.Industrially apply widely, particularly
When the part or especially hard part of machining high-precision or low roughness, abrasive material and grinding tool are requisite.In many technologies
There is an extensive demand in field, such as the cutting, piston ring and cylinder, valve and valve seat to the sharpening and stiff materials of cutter
It is fitted close, the precision of variator and gear, deburring of a large amount of parts etc. are that various tool processes save process time, carry
High production rate, improves product precision etc..In recent years, the production technology of abrasive material significantly improves.Many natural abrasives,
Replaced by manufactured abrasive.But, as requirement of the every profession and trade to abrasive material material is improved constantly, therefore, develop sharpness more
Height, comprcssive strength are high, and more preferably, grinding efficiency is higher, the abrasive material of long service life, will be widely used in for grinding quality
Each correlative technology fields such as grinding, cutting, milling tools.
The content of the invention
By solving the technical scheme that adopts of above-mentioned technical problem it is:The emery wheel by complex abrasion-proof abrasive material, engaged
Cross layer, body composition.The engagement transition layer is fixed in emery wheel for the effect that abrasive material is fixedly connected with body
On, to carry out grinding, technical program of the present invention lies in disclosing emery wheel and its system prepared by a kind of complex abrasion-proof abrasive material
Preparation Method, specific preparation method are as follows:
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
40~70wt% polycrystalline diamonds or natural diamond abrasive material, 10~15wt% cubic boron nitrides or polycrystalline cubic nitrogen
Change boron abrasive material, 10~15wt% silicon carbide abrasives, 0~15wt% nichrome powder, 3~8wt% boron carbide abrasive materials, 1~5wt%
Graphite powder, 3~8wt% potassium oxide, 3~8wt% Zinc Oxide, 1~5wt% sodium hydrogen carbonate powders, 1~5wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
In the embodiment of the present invention, the granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;It is vertical
The granularity of square boron nitride or polycrystalline cubic boron nitride abrasive material is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 500~1000r/min, and rotating replaces ball milling 2~5 hours;In the embodiment of the present invention, in order to reach
To less granularity requirements, ball milling speed used is 1000r/min, and rotating replaces ball milling 5 hours.
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface
Powder body;The size of the black mould can be established as plurality of specifications as needed, for example:The granularity of positive tetrahedron is external according to which
Bulb diameter meter, is 20~200 μm;Those skilled in the art can also be required according to actual abrasive grain, without departing from this
In the case of technical scheme shown in bright, suitably adjusted.
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 700-950 DEG C, regulation pressure is 10-25Mpa,
Temperature retention time 10-25min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 5~8 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti
Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum,
Respectively at a temperature of 280~320 DEG C, 850-900 DEG C, 280~320 DEG C, after being incubated 20~30min respectively, then furnace cooling is
Obtain wear-resisting emery wheel of the present invention.
In for above-mentioned technical proposal, it is preferred in the case of, in the Cu-Sn-Ti solders containing 85~70wt%Cu, 15
~20wt%Sn, 1~10wt%Ti, 0.001~0.1wt% mischmetals.
In for above-mentioned technical proposal, it is preferred in the case of, the granule mean size of the solder raw material is 350~550
Mesh.
The present invention character of innovation be:
1) processing technology is simple, can be widely used for being ground, cuts, each correlative technology field such as milling tools.
2) multiple grinding specification can be established as needed, adapt to field wide;
3) using the method for the invention prepare wear-resisting emery wheel, its trimming sharpness compared with conventional abrasives layer improve 8% with
On, comprcssive strength improves at least 15%, and good grinding quality, efficiency improve, moreover it is possible to reduce production cost.
Description of the drawings
Fig. 1:The structural representation of the wear-resisting emery wheel with complex abrasion-proof abrasive material;Wherein:1. complex abrasion-proof abrasive material, 2.
Engagement transition layer, 3. body.
Specific embodiment
Following non-limiting examples can make one of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.Any those familiar with the art in the technical scope of present disclosure, according to
Technical scheme and its inventive concept carry out equivalent or change belongs to protection category of the present invention.
Embodiment 1
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
60wt% polycrystalline diamonds or natural diamond abrasive material, 10wt% cubic boron nitrides or polycrystalline cubic boron nitride mill
Material, 10wt% silicon carbide abrasives, 6wt% nichrome powder, 3wt% boron carbide abrasive materials, 2wt% graphite powders, 3wt% potassium oxide,
3wt% Zinc Oxide, 2wt% sodium hydrogen carbonate powders, 1wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
The granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;Cubic boron nitride or glomerocryst are vertical
The granularity of square boron nitride abrasive materials is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 800r/min, and rotating replaces ball milling 3 hours;
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface
Powder body;The size of the black mould can be established as plurality of specifications as needed, and the granularity of the present embodiment positive tetrahedron is according to which
External bulb diameter meter, is 200 μm;
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 950 DEG C, and regulation pressure is 20Mpa, during insulation
Between 15min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 8 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti
Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum,
Respectively at a temperature of 300 DEG C, 850 DEG C, 300 DEG C, after being incubated 20~30min respectively, then furnace cooling obtains of the present invention
Wear-resisting emery wheel.
Contain 75wt%Cu, 15wt%Sn, 9.9wt%Ti, 0.1wt% mischmetal in the Cu-Sn-Ti solders.Institute
The granule mean size for stating solder raw material is 350~550 mesh.
Test through standard detecting method, the intensity of abrasive material prepared by the method for the invention is up to 280MPa.
Embodiment 2
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
50wt% polycrystalline diamonds or natural diamond abrasive material, 15wt% cubic boron nitrides or polycrystalline cubic boron nitride mill
Material, 10wt% silicon carbide abrasives, 9wt% nichrome powder, 5wt% boron carbide abrasive materials, 2wt% graphite powders, 3wt% potassium oxide,
3wt% Zinc Oxide, 2wt% sodium hydrogen carbonate powders, 1wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
The granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;Cubic boron nitride or glomerocryst are vertical
The granularity of square boron nitride abrasive materials is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 1000r/min, and rotating replaces ball milling 5 hours;
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface
Powder body;The size of the black mould can be established as plurality of specifications as needed, in the present embodiment, the granularity of positive tetrahedron according to
Its external bulb diameter meter, is 100 μm;
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 850 DEG C, and regulation pressure is 15Mpa, during insulation
Between 25min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 8 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti
Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum,
Respectively at a temperature of 350 DEG C, 850 DEG C, 350 DEG C, after being incubated 25min respectively, then furnace cooling obtains of the present invention resistance to
Grinding abrasive disk.
Contain 75wt%Cu, 15wt%Sn, 9.9wt%Ti, 0.1wt% mischmetal in the Cu-Sn-Ti solders.Institute
The granule mean size for stating solder raw material is 550 mesh.
Test through standard detecting method, the intensity of abrasive material prepared by the method for the invention is up to 260MPa.
Embodiment 3
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
55wt% polycrystalline diamonds or natural diamond abrasive material, 10wt% cubic boron nitrides or polycrystalline cubic boron nitride mill
Material, 12wt% silicon carbide abrasives, 7wt% nichrome powder, 5wt% boron carbide abrasive materials, 2wt% graphite powders, 3wt% potassium oxide,
3wt% Zinc Oxide, 2wt% sodium hydrogen carbonate powders, 1wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
In the embodiment of the present invention, the granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;It is vertical
The granularity of square boron nitride or polycrystalline cubic boron nitride abrasive material is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 1000r/min, and rotating replaces ball milling 5 hours;
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface
Powder body;The size of the black mould can be established as plurality of specifications as needed, and in the present embodiment, the granularity of positive tetrahedron is pressed
According to its external bulb diameter meter, it is 120 μm;Those skilled in the art can also be required according to actual abrasive grain, without departing from
In the case of technical scheme shown in of the invention, suitably adjusted.
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 950 DEG C, and regulation pressure is 15Mpa, during insulation
Between 25min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 5 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti
Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum,
Respectively at a temperature of 300 DEG C, 800 DEG C, 350 DEG C, after being incubated 30min respectively, then furnace cooling obtains of the present invention resistance to
Grinding abrasive disk.
Contain 75wt%Cu, 15wt%Sn, 9.9wt%Ti, 0.1wt% mischmetal in the Cu-Sn-Ti solders.Institute
The granule mean size for stating solder raw material is 350 mesh.
Test through standard detecting method, the intensity of abrasive material prepared by the method for the invention is up to 290MPa.
Claims (10)
1. the grinding wheel that prepared by a kind of complex abrasion-proof abrasive material, it is characterised in that:Its specific preparation method is as follows:
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
40~70wt% polycrystalline diamonds or natural diamond abrasive material, 10~15wt% cubic boron nitrides or polycrystalline cubic boron nitride
Abrasive material, 10~15wt% silicon carbide abrasives, 0~15wt% nichrome powder, 3~8wt% boron carbide abrasive materials, 1~5wt% graphite
Powder, 3~8wt% potassium oxide, 3~8wt% Zinc Oxide, 1~5wt% sodium hydrogen carbonate powders, 1~5wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 500~1000r/min, and rotating replaces ball milling 2~5 hours;
(3) cool down after sintering:
The mixture abrasive powder that step (2) is weighed is packed in the graphite jig of positive tetrahedron, is sintered, sintering temperature is
700-950 DEG C, regulation pressure be 10-25Mpa, temperature retention time 10-25min, last furnace cooling.
(4) solder brazing
Complex abrasion-proof abrasive material obtained by step (3) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti solders
Soldering is carried out to the complex abrasion-proof abrasive material obtained by step (3) and emery wheel body.
2. grinding wheel according to claim 1, it is characterised in that:Polycrystalline diamond used or natural diamond abrasive material
Granularity be 200~400nm;The granularity of cubic boron nitride or polycrystalline cubic boron nitride abrasive material is 100~250nm.
3. grinding wheel according to claim 1, it is characterised in that:Ball milling speed used be 1000r/min, rotating
Replace ball milling 5 hours.
4. grinding wheel according to claim 1, it is characterised in that:The described stone that abrasive powder is packed into positive tetrahedron
In black mould, filled with overflowing mode, and remove the unnecessary powder body of upper surface.
5. grinding wheel according to claim 1, it is characterised in that:The granularity of described positive tetrahedron is according to its circumsphere
Diameter is calculated as 20~200 μm.
6. grinding wheel according to claim 1, it is characterised in that:The granularity of described positive tetrahedron is according to its circumsphere
Diameter is calculated as 150~200 μm.
7. grinding wheel according to claim 1, it is characterised in that:The temperature of the sintering is with the speed of 5~8 DEG C/min
Rate heats up.
8. grinding wheel according to claim 1, it is characterised in that:The condition of the soldering is:Under vacuum, divide
Not at a temperature of 280~320 DEG C, 850-900 DEG C, 280~320 DEG C, after being incubated 20~30min respectively, then furnace cooling.
9. grinding wheel according to claim 1, it is characterised in that:Contain 85~70wt% in the Cu-Sn-Ti solders
Cu, 15~20wt%Sn, 1~10wt%Ti, 0.001~0.1wt% mischmetals.
10. grinding wheel according to claim 9, it is characterised in that:The granule of the Cu-Sn-Ti solders raw material is average
Size is 350~550 mesh.
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CN201611097276.1A CN106553134A (en) | 2016-12-02 | 2016-12-02 | A kind of grinding wheel and preparation method thereof |
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CN201611097276.1A CN106553134A (en) | 2016-12-02 | 2016-12-02 | A kind of grinding wheel and preparation method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107457713A (en) * | 2017-10-19 | 2017-12-12 | 柳州凯通新材料科技有限公司 | A kind of skive material |
CN107650033A (en) * | 2017-11-08 | 2018-02-02 | 苏州刘爱英科技信息咨询有限公司 | The manufacture method of polycrystal diamond cutter special grinding wheel |
CN108857949A (en) * | 2017-05-16 | 2018-11-23 | 深圳市沃福泰克科技有限公司 | The manufacturing method of skive |
CN116920642A (en) * | 2023-09-14 | 2023-10-24 | 苏州优晶光电科技有限公司 | Mixing method for solid phase synthesis of silicon carbide and synthesis method |
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US20060048454A1 (en) * | 2002-07-26 | 2006-03-09 | 3M Innovative Properties Company | Abrasive product |
CN103203453A (en) * | 2013-03-26 | 2013-07-17 | 大连理工大学 | Grinding wheel manufacturing method of edge-sharpening single crystal diamond tool |
CN103231064A (en) * | 2013-04-28 | 2013-08-07 | 中原工学院 | Manufacturing method for novel nickel base solder brazing monolayer diamond grinding wheel |
JP5305214B2 (en) * | 2006-10-06 | 2013-10-02 | 日本電気硝子株式会社 | End face processing method of plate glass |
CN103381481A (en) * | 2012-05-03 | 2013-11-06 | 湖南科技大学 | Diamond fiber, as well as manufacturing method and application thereof |
CN104440605A (en) * | 2014-11-11 | 2015-03-25 | 河南富耐克超硬材料股份有限公司 | Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same |
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US20060048454A1 (en) * | 2002-07-26 | 2006-03-09 | 3M Innovative Properties Company | Abrasive product |
JP5305214B2 (en) * | 2006-10-06 | 2013-10-02 | 日本電気硝子株式会社 | End face processing method of plate glass |
CN103381481A (en) * | 2012-05-03 | 2013-11-06 | 湖南科技大学 | Diamond fiber, as well as manufacturing method and application thereof |
CN103203453A (en) * | 2013-03-26 | 2013-07-17 | 大连理工大学 | Grinding wheel manufacturing method of edge-sharpening single crystal diamond tool |
CN103231064A (en) * | 2013-04-28 | 2013-08-07 | 中原工学院 | Manufacturing method for novel nickel base solder brazing monolayer diamond grinding wheel |
CN104440605A (en) * | 2014-11-11 | 2015-03-25 | 河南富耐克超硬材料股份有限公司 | Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108857949A (en) * | 2017-05-16 | 2018-11-23 | 深圳市沃福泰克科技有限公司 | The manufacturing method of skive |
CN108857949B (en) * | 2017-05-16 | 2020-02-11 | 深圳市威雄精机有限公司 | Method for manufacturing diamond grinding wheel |
CN107457713A (en) * | 2017-10-19 | 2017-12-12 | 柳州凯通新材料科技有限公司 | A kind of skive material |
CN107650033A (en) * | 2017-11-08 | 2018-02-02 | 苏州刘爱英科技信息咨询有限公司 | The manufacture method of polycrystal diamond cutter special grinding wheel |
CN116920642A (en) * | 2023-09-14 | 2023-10-24 | 苏州优晶光电科技有限公司 | Mixing method for solid phase synthesis of silicon carbide and synthesis method |
CN116920642B (en) * | 2023-09-14 | 2024-01-19 | 苏州优晶光电科技有限公司 | Mixing method for solid phase synthesis of silicon carbide and synthesis method |
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